2102211110012 has 24 divisors (see below), whose sum is σ = 4134114158496. Its totient is φ = 928066442688.

The previous prime is 2102211110009. The next prime is 2102211110101. The reversal of 2102211110012 is 2100111122012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 878849603 + ... + 878851994.

It is an arithmetic number, because the mean of its divisors is an integer number (172254756604).

Almost surely, 2^{2102211110012} is an apocalyptic number.

It is an amenable number.

2102211110012 is a deficient number, since it is larger than the sum of its proper divisors (2031903048484).

2102211110012 is a wasteful number, since it uses less digits than its factorization.

2102211110012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1757701637 (or 1757701635 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2102211110012 its reverse (2100111122012), we get a palindrome (4202322232024).

The spelling of 2102211110012 in words is "two trillion, one hundred two billion, two hundred eleven million, one hundred ten thousand, twelve".